Letters to S&C by Technical Analysis, Inc.
SUPERSMOOTHER OSCILLATOR AND EXCEL SPREADSHEET
I really enjoyed John Ehlers’ article “Whiter Is Brighter” in your January 2015 issue. He has a way of translating unfamiliar concepts into something useful to us. And the results and final equation prove that out.
The article’s pseudocode of b1 in the calculation for the SuperSmoother uses angles for the cosine. To code it using radians, for example, in Excel, the cell pseudocode for the tunable constant b1 would look like this: